92hdw74d Integrated Device Technology, 92hdw74d Datasheet - Page 39

• Manufacturer Part Number: 92hdw74d
• Description: 8-channel Hd Audio Codec, Dual Spdif
• Manufacturer: Integrated Device Technology

EIGHT CHANNEL HD AUDIO CODEC, PREMIUM WLP 3/4 COMPLIANT
4. FUNCTIONAL BLOCK DIAGRAMS
92HDW74D
EIGHT CHANNEL HD AUDIO CODEC, PREMIUM WLP 3/4 COMPLIANT
MixerOutVol
InMUX0
Stream &
Channel
Select
Stream &
Stream &
Stream &
Stream &
Stream &
Stream &
Stream &
Stream &
Channel
Channel
Channel
Channel
Channel
Channel
Channel
Channel
Select
Select
Select
Select
Select
Select
Select
Select
mute
-46.5 to 0 dB
In 1.5 dB steps
Digital
Digital
Digital
Mute
Mute
Mute
Mixer
ADC1
Vol
ADC0
Port D
Port A
Port B
Port F
ADC0
ADC1
ADC0
ADC1
mute
Σ
InMUX1
+0 to +22.5 dB
In 1.5 dB steps
mute
vol
vol
vol
vol
Gain
+0 to +22.5 dB
In 1.5 dB steps
Figure 11. Functional Block Diagram
Digital
Digital
Digital
Digital
Gain
Mute
Mute
Mute
Mute
vol
mute
mute
mute
mute
mute
-34.5 to +12 dB
In 1.5 dB steps
SPDIF OUT
SPDIF OUT
vol
Port A
Port E
Port G
Port H
SPDIF IN
to PCM
PCM to
PCM to
DAC 0
DAC 1
DAC 2
DAC 3
vol
vol
vol
vol
vol
InMUX2
DMIC0
DMIC1
Port A
Port B
Port C
Port D
Port E
Port G
Port H
Port F
Mixer
CD
39
CD
InMUX0
InMUX1
InMUX2
InMUX3
DMIC0
DMIC1
Port A
Port B
Port C
Port D
Port E
Port F
Port G
Port H
Mixer
CD
DAC0
DAC1
DAC2
DAC3
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
MixerOutVol
DAC0
DAC1
DAC2
DAC3
DAC0
DAC1
DAC2
DAC3
DAC0
DAC1
DAC2
DAC3
DAC0
DAC1
DAC2
DAC3
DAC0
DAC1
DAC2
DAC3
DAC0
DAC1
DAC2
DAC3
DAC0
DAC1
DAC2
DAC3
DAC0
DAC1
DAC2
DAC3
Port C
Port G
Port H
Port B
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital PC Beep
Digital
Microphone
volume and
mute is done
after the ADC
but shown here
and in widget
list as same as
analog path.
To all ports
enabled as
output
EAPD/SPDIF_IN
SPDIF OUT1
SPDIF OUT0
Pin 47
Pin 40
Pin 48
InMUX3
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Analog Beep
Port D
Port A
Port B
Port C
Port E
Port G
Port H
Port F
DMIC_0
DMIC_1
92HDW74D
CD
mute
-6,-12,-18, -24 dB
Σ
Σ
Σ
Σ
Σ
Σ
Σ
Σ
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
DAC0
DAC1
DAC2
DAC3
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
+0/+10/+20/+30 dB
vol
Boost
Boost
(Vendor Specific)
DMIC
DMIC
HP
HP
HP
LO
LO
LO
LO
LO
Boost
Boost
Boost
Boost
Boost
Boost
Boost
Boost
Analog PC_BEEP
DMIC_0
DMIC_1
PORT D
Pin Complex
Pins 35/36
PORT A
Pin Complex
Pins 39/41
PORT B
Pin Complex
Pins 21/22
PORT C
Pin Complex
Pins 23/24
PORT E
Pin Complex
Pins 14/15
PORT F
Pin Complex
Pins 16/17
PORT G
Pin Complex
Pins 43/44
PORT H
Pin Complex
Pins 45/46
CD
Pin Complex
Pins 18/19/20
Pin 2
Pin 3
Mic Bias
Mic Bias
Mic Bias
Mic Bias
No Bias
No Bias
No Bias
No Bias
PC AUDIO
(Port I)
V 1.0 03/08